Cost‐effectiveness of condom uterine balloon tamponade to control severe postpartum hemorrhage in Kenya

A cost-effectiveness analysis of early detection and bundled treatment of postpartum hemorrhage alongside the E-MOTIVE trial

Timely detection and treatment of postpartum hemorrhage (PPH) are crucial to prevent complications or death. A calibrated blood-collection drape can help provide objective, accurate and early diagnosis of PPH, and a treatment bundle can address delays or inconsistencies in the use of effective interventions. Here we conducted an economic evaluation alongside the E-MOTIVE trial, an international, parallel cluster-randomized trial with a baseline control phase involving 210,132 women undergoing vaginal delivery across 78 secondary-level hospitals in Kenya, Nigeria, South Africa and Tanzania. We aimed to assess the cost-effectiveness of the E-MOTIVE intervention, which included a calibrated blood-collection drape for early detection of PPH and a bundle of first-response treatments (uterine massage, oxytocic drugs, tranexamic acid, intravenous fluids, examination and escalation), compared with usual care. We used multilevel modeling to estimate incremental cost-effectiveness ratios from the perspective of the public healthcare system for outcomes of cost per severe PPH (blood loss ≥1,000 ml) avoided and cost per disability-adjusted life-year averted. Our findings suggest that the use of a calibrated blood-collection drape for early detection of PPH and bundled first-response treatment is cost-effective and should be perceived by decision-makers as a worthwhile use of healthcare budgets. ClinicalTrials.gov identifier: NCT04341662 .

A 3D-printed condom intrauterine balloon tamponade: Design, prototyping, and technical validation

Post-partum haemorrhage is among the main causes of (preventable) mortality for women in low-resource settings (LRSs), where, in 2017, the mortality ratio was 462 out of every 100 000 live births, over 10 times higher than for high-resource settings. There are different treatments available for post-partum haemorrhage. The intrauterine balloon tamponade is a medical device that proved to be a simple and cost-effective approach. Currently, there are several balloon tamponades available, with different design and working principles. However, all these devices were designed for high-resource settings, presenting several aspects that could be inappropriate for many lower-income countries. This paper presents the results of a preclinical study aiming at informing the design, prototyping and validation of a 3D-printed intrauterine balloon tamponade concept, contributing towards the United Nation's Sustainable Development Goal 3: Good health and Well-being. Frugal engineering concepts and contextualised design techniques were applied throughout, to define the design requirements and specifications. The performance of the final prototype was validated against the requirements of the UK National Health System (NHS) technical guidelines and relevant literature, measuring the water leak and pressure drop over time, both open air and in a approximate uterus model. The resulting prototype is made up of six components, some of which are easy to retrieve, namely a water bottle, a silicone tube and an ordinary condom, while others can be manufactured locally using 3D printers, namely a modified bottle cap, a flow stopper and a valve for holding the condom in place. Validation testing bore promising results with no water or pressure leak open air, and minimal leaks in the approximate uterus model. This demonstrates that the 3D printed condom-based intrauterine balloon tamponade is performing well against the requirements and, when compared to the state of the art, it could be a more appropriate and more resilient solution to low-resource settings, as it bypasses the challenges in the supply of consumables and presents a greener option based on circular economy.

Impact of the introduction of a low-cost uterine balloon tamponade (ESM-UBT) device for managing severe postpartum hemorrhage in India: A comparative before-and-after study

OBJECTIVE

To evaluate the impact of introducing a uterine balloon tamponade (ESM-UBT) device for managing severe postpartum hemorrhage (PPH), mainly due to uterine atony, in health facilities in India on the rates of PPH-related maternal death and invasive procedures for PPH control.

METHODS

We used a quasi-experimental, difference-in-difference (DID) design to compare changes in the rates of a composite outcome (PPH-related maternal death and/or artery ligation, uterine compression sutures, or hysterectomy) among women delivering in nine intervention facilities compared with those delivering in two control facilities, before and after the introduction of ESM-UBT.

RESULTS

The study sample included 214 123 deliveries (n = 78 509 before ESM-UBT introduction; n = 47 211 during ESM-UBT introduction; and n = 88 403 after ESM-UBT introduction). After introduction of ESM-UBT, there was a significant decline in the rate of the primary composite outcome in intervention facilities (21.0-11.4 per 10 000 deliveries; difference -9.6, 95% confidence interval -14.0 to -5.4). Change in the rate of the primary composite outcome was not significant in control facilities (11.7-17.2 per 10 000 deliveries; difference 5.4, 95% confidence interval -3.9 to 14.9). DID analyses showed there was a significant reduction in the rate of the primary composite outcome in intervention facilities relative to control facilities (adjusted DID estimate -15.0 per 10 000 points, 95% confidence interval -23.3 to -6.8; P = 0.005).

CONCLUSION

Introduction of the ESM-UBT in health facilities in India was associated with a significant reduction in PPH-related maternal death and/or invasive procedures for PPH control.

Cost-effectiveness of uterine balloon tamponade devices in managing atonic post-partum hemorrhage at public health facilities in India

Objective

Post-partum hemorrhage (PPH) is the leading direct cause of maternal mortality in India. Uterine balloon tamponade (UBT) is recommended for atonic PPH cases not responding to uterotonics. This study assessed cost-effectiveness of three UBT devices used in Indian public health settings.

Methods

A decision tree model was built to assess cost-effectiveness of Bakri-UBT and low-cost ESM-UBT alternatives as compared to the recommended standard of care i.e. condom-UBT intervention. A hypothetical annual cohort of women eligible for UBT intervention after experiencing atonic PPH in Indian public health facilities were evaluated for associated costs and outcomes over life-time horizon using a disaggregated societal perspective. Costs by undertaking primary costing and clinical parameters from published literature were used. Incremental cost per Disability Adjusted Life Years (DALY) averted, number of surgeries and maternal deaths with the interventions were estimated. An India specific willingness to pay threshold of INR 24,211 (USD 375) was used to evaluate cost-effectiveness. Detailed sensitivity analysis and expected value of information analysis was undertaken.

Results

ESM-UBT at base-case Incremental Cost-Effectiveness Ratio (ICER) of INR -2,412 (USD 37) per DALY averted is a cost-saving intervention i.e. is less expensive and more effective as compared to condom-UBT. Probabilistic sensitivity analysis however shows an error probability of 0.36, indicating a degree of uncertainty around model results. Bakri-UBT at an ICER value of INR -126,219 (USD -1,957) per DALY averted incurs higher incremental societal costs and is less effective as compared to condom-UBT. Hence, Bakri-UBT is not cost-effective.

Conclusion

For atonic PPH management in India, condom-UBT offers better value as compared to Bakri-UBT. Given the limited clinical effectiveness evidence and uncertainty in sensitivity analysis, cost-saving result for ESM-UBT must be considered with caution. Future research may focus on generating high quality comparative clinical evidence for UBT devices to facilitate policy decision making.

Resource use decrease after implementation of care bundles for treatment of postpartum hemorrhage

OBJECTIVE

To evaluate whether the implementation of care bundles has an impact on resource utilization in the care of patients with postpartum hemorrhage (PPH).

METHODS

Retrospective, cross-sectional, observational study of 404 patients with stage II or greater PPH. Periods 2011-2014 and 2015-2017, before and after the introduction of care bundles, were compared. Billing reports were analyzed, and all services provided to treat these events were extracted. Use of resources within the two periods was computed.

RESULTS

The amount billed per episode decreased 18.66% from the first to the second period. Most PPH cases used fewer resources after introduction of care bundles. The greatest reduction was in the use of medications, with a decrease of charges by 56.3%. Diagnostic procedure charges decreased by 47.6% and consultation charges decreased by (37.7%).

CONCLUSIONS

The use of PPH care bundles may be associated with lower resource use and fewer interventions.

Cost-effectiveness of uterine tamponade devices for the treatment of postpartum hemorrhage: A systematic review

Background

Uterine tamponade is widely promoted for treating refractory postpartum hemorrhage (PPH); however, its cost‐effectiveness may vary depending on unit costs and setting.

Objective

To review available data on cost‐effectiveness of uterine tamponade devices when used for PPH treatment.

Search strategy

PubMed and EMBASE were searched (1980 to January 2020), as well as the National Health Services Economic Evaluation database from inception (1995) to March 2015.

Selection criteria

Eligible studies were any type of economic evaluation, or effectiveness studies that provided cost or economic data.

Data collection and analysis

Two reviewers independently screened studies, extracted data, and assessed quality.

Main results

Eleven studies using a range of devices (condom catheter, uterine suction devices, Bakri, Inpress, Ellavi) were identified. Cost of condom catheter devices or kits ranged from US$0.64 to US$6, whereas purpose‐designed device costs were up to US$400. Two studies that took a health system perspective assessed the cost‐effectiveness of using uterine balloon tamponade and suggested that it was highly cost‐effective because of the low cost per disability‐adjusted life‐year averted, although both used effect estimates from case series.

Conclusions

Evidence on the cost‐effectiveness of uterine tamponade devices was limited and not generalizable. Rigorous economic evaluations based on updated effect estimates are needed.

Improved Treatment of Postpartum Hemorrhage: Design, Development, and Bench-Top Validation of a Reusable Intrauterine Tamponade Device for Low-Resource Settings

Postpartum hemorrhage (PPH) is the leading cause of maternal mortality worldwide, and effective interventions for addressing PPH are urgently needed. Uterine balloon tamponade (UBT) is a technique to control PPH. Commercially available UBT devices are expensive and frequently require imaging technology to ensure placement. Condom-catheter uterine tamponade (C-UBT) is a technique appropriate for low-resource settings. Testing of the C-UBT is needed to better understand and optimize this technique for use in a variety of clinical settings including low-resource contexts. We describe here the design, development, and bench-top validation of a reusable C-UBT device optimized for low-resource settings. The device was tested in three differently sized uterine models using a variety of condom balloon configurations. Intrauterine wall pressure application was measured to evaluate the device capacity to apply pressure of at least 90 mmHg, estimating the mean arterial pressure within the uterine vasculature. Bench-top experimental validation of pressure exerted in uterine models demonstrated the device's capability of reaching hemostatic pressure in uterine volumes ranging from 170 to 1740 mL. Device adaptability and versatility were shown through its ability to reach the target pressure of 90 mmHg in different uterine sizes by varying balloon parameters, including condom thickness and condom configuration. The results of this study show the potential of a low-cost, reusable C-UBT device optimized to treat PPH in a variety of clinical settings, including low-resource contexts.

A condom uterine balloon device among referral facilities in Dar Es Salaam: an assessment of perceptions, barriers and facilitators one year after implementation

BACKGROUND

Postpartum hemorrhage (PPH) is the leading cause of maternal death in Tanzania. The Every Second Matters for Mothers and Babies- Uterine Balloon Tamponade (ESM-UBT) device was developed to address this problem in women with atonic uterus. The objective of this study was to understand the barriers and facilitators to optimal use of the device, in Dar es Salaam Tanzania 1 year after implementation.

METHODS

Semi-structured interviews of skilled-birth attendants were conducted between May and July 2017. Interviews were recorded, coded and analyzed for emergent themes.

RESULTS

Among the participants, overall there was a positive perception of the ESM-UBT device. More than half of participants reported the device was readily available and more than 1/3 described ease and success with initial use. Barriers included fear and lack of refresher training. Finally, participants expressed a need for training and device availability at peripheral hospitals.

CONCLUSION

The implementation and progression to optimal use of the ESM-UBT device in Tanzania is quite complex. Ease of use and the prospect of saving a life/preserving fertility strongly promoted use while fear and lack of high-level buy-in hindered utilization of the device. A thorough understanding and investigation of these facilitators and barriers are required to increase uptake of the ESM-UBT device.